42801640728

Names of 42801640728

• Cardinal: 42801640728 can be written as Forty-two billion, eight hundred one million, six hundred forty thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2801640728 × 10¹⁰

Factors of 42801640728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 367

Divisors of 42801640728

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 31 33 42 44 49 56 62 66 77 84 88 93 98 121 124 132 147 154 168 186 196 217 231 242 248 264 294 308 313 341 363 372 392 434 462 484 539 588 616 626 651 682 726 744 847 868 924 939 961 968 1023 1078 1176 1252 1302 1364 1452 1519 1617 1694 1736 1848 1878 1922 2046 2156 2191 2387 2504 2541 2604 2728 2883 2904 3038 3234 3388 3443 3751 3756 3844 4092 4312 4382 4557 4774 5082 5208 5766 5929 6076 6468 6573 6727 6776 6886 7161 7502 7512 7688 8184 8764 9114 9548 9703 10164 10329 10571 11253 11532 11858 12152 12936 13146 13454 13772 14322 15004 15337 16709 17528 17787 18228 19096 19406 20181 20328 20658 21142 22506 23064 23716 24101 26257 26292 26908 27544 28644 29109 30008 30674 31713 33418 35574 36456 37873 38812 40362 41316 42284 45012 46011 47089 47432 48202 50127 52514 52584 53816 57288 58218 61348 63426 66836 67921 71148 72303 73997 75746 77624 78771 80724 82632 84568 90024 92022 94178 96404 100254 105028 106733 113619 116281 116436 122696 126852 133672 135842 141267 142296 144606 147994 151492 157542 161448 168707 183799 184044 188356 192808 200508 203763 210056 213466 221991 227238 232562 232872 253704 265111 271684 282534 289212 295988 300793 302984 315084 320199 337414 348843 367598 368088 376712 401016 407526 426932 443982 454476 465124 475447 506121 517979 530222 543368 551397 565068 578424 591976 601586 630168 640398 674828 697686 735196 747131 795333 813967 815052 853864 887964 902379 908952 930248 950894 1012242 1035958 1060444 1102794 1130136 1174063 1203172 1280796 1349656 1395372 1426341 1470392 1494262 1553937 1590666 1627934 1630104 1775928 1804758 1855777 1901788 2024484 2071916 2105551 2120888 2205588 2241393 2348126 2406344 2441901 2561592 2790744 2852682 2988524 3107874 3181332 3255868 3308723 3522189 3609516 3711554 3803576 4048968 4143832 4211102 4411176 4482786 4696252 4883802 5229917 5567331 5697769 5705364 5977048 6215748 6316653 6362664 6511736 6617446 7044378 7219032 7423108 8218441 8422204 8965572 9392504 9767604 9926169 10459834 11134662 11395538 11410728 12431496 12633306 13234892 14088756 14738857 14846216 15689751 16436882 16844408 17093307 17931144 19535208 19852338 20919668 22269324 22791076 23161061 24655323 25266612 26469784 28177512 29477714 31379502 32873764 34186614 36395953 39704676 41839336 44216571 44538648 45582152 46322122 49310646 50533224 57529087 58955428 62759004 65747528 68373228 69483183 72791906 79409352 88433142 92644244 98621292 109187859 115058174 117910856 125518008 136746456 138966366 145583812 162127427 172587261 176866284 185288488 197242584 218375718 230116348 254771671 277932732 291167624 324254854 345174522 353732568 436751436 460232696 486382281 509543342 555865464 648509708 690349044 764315013 873502872 972764562 1019086684 1297019416 1380698088 1528630026 1783401697 1945529124 2038173368 3057260052 3566803394 3891058248 5350205091 6114520104 7133606788 10700410182 14267213576 21400820364 42801640728
• Sum of all divisors σ(n): 141826257720
• Sum of proper divisors (its aliquot sum) s(n): 99024616992
• 42801640728 is an abundant number, because the sum of its proper divisors (99024616992) is greater than itself. Its abundance is 56222976264

Bases of 42801640728

• Binary: 100111110111001011010011010100011000₂
• Hexadecimal: 0x9F72D3518
• Base-36: JNUZPCO

Squares and roots of 42801640728

• 42801640728 squared (42801640728²) is 1831980449008788369984
• 42801640728 cubed (42801640728³) is 78411768999194283526639907108352
• The square root of 42801640728 is 206885.5739968353
• The cube root of 42801640728 is 3498.0026897649

Scales and comparisons

• 42,801,640,728 seconds is equal to 1,360 years, 49 weeks, 6 days, 8 hours, 38 minutes, 48 seconds.
• To count from 1 to 42,801,640,728 would take you about two thousand, seven hundred twenty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 42801640728 cubic inches would be around 291.5 feet tall.

Recreational maths with 42801640728

• 42801640728 backwards is 82704610824
• 42801640728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42801640728's digits is 42
• More coming soon!